console-dbus.c (e258e51fd256c275cd58a104a6bcb379ff1534f9) console-dbus.c (b14ca19cf380efbf7a96a348cc6fc81e75bf0591)
1/**
2 * Copyright © 2023 IBM Corporation
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0

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17#include <errno.h>
18#include <err.h>
19
20#include "console-server.h"
21
22/* size of the dbus object path length */
23const size_t dbus_obj_path_len = 1024;
24
1/**
2 * Copyright © 2023 IBM Corporation
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0

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17#include <errno.h>
18#include <err.h>
19
20#include "console-server.h"
21
22/* size of the dbus object path length */
23const size_t dbus_obj_path_len = 1024;
24
25#define DBUS_ERR "org.openbmc.error"
26#define INTF_NAME "xyz.openbmc_project.Console"
27#define DBUS_NAME "xyz.openbmc_project.Console.%s"
28#define OBJ_NAME "/xyz/openbmc_project/console/%s"
25#define DBUS_ERR "org.openbmc.error"
26#define DBUS_NAME "xyz.openbmc_project.Console.%s"
27#define OBJ_NAME "/xyz/openbmc_project/console/%s"
28#define TTY_INTF "xyz.openbmc_project.console"
29#define ACCESS_INTF "xyz.openbmc_project.Console.Access"
29
30static void tty_change_baudrate(struct console *console)
31{
32 struct handler *handler;
33 int i;
34 int rc;
35
36 tty_init_termios(console);

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96 warnx("Invalid baud rate: '%d'", console->tty_baud);
97 }
98
99 r = sd_bus_message_append(reply, "u", baudrate);
100
101 return r;
102}
103
30
31static void tty_change_baudrate(struct console *console)
32{
33 struct handler *handler;
34 int i;
35 int rc;
36
37 tty_init_termios(console);

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97 warnx("Invalid baud rate: '%d'", console->tty_baud);
98 }
99
100 r = sd_bus_message_append(reply, "u", baudrate);
101
102 return r;
103}
104
104static const sd_bus_vtable console_vtable[] = {
105static int get_socket_name(sd_bus *bus __attribute__((unused)),
106 const char *path __attribute__((unused)),
107 const char *interface __attribute__((unused)),
108 const char *property __attribute__((unused)),
109 sd_bus_message *reply, void *userdata,
110 sd_bus_error *error __attribute__((unused)))
111{
112 struct console *console = userdata;
113
114 /* The abstract socket name starts with null character hence we need to
115 * send it as a byte stream instead of regular string.
116 */
117 return sd_bus_message_append_array(reply, 'y', console->socket_name,
118 console->socket_name_len);
119}
120
121static const sd_bus_vtable console_tty_vtable[] = {
105 SD_BUS_VTABLE_START(0),
106 SD_BUS_METHOD("setBaudRate", "u", "x", method_set_baud_rate,
107 SD_BUS_VTABLE_UNPRIVILEGED),
108 SD_BUS_PROPERTY("baudrate", "u", get_handler, 0, 0),
109 SD_BUS_VTABLE_END,
110};
111
122 SD_BUS_VTABLE_START(0),
123 SD_BUS_METHOD("setBaudRate", "u", "x", method_set_baud_rate,
124 SD_BUS_VTABLE_UNPRIVILEGED),
125 SD_BUS_PROPERTY("baudrate", "u", get_handler, 0, 0),
126 SD_BUS_VTABLE_END,
127};
128
129static const sd_bus_vtable console_access_vtable[] = {
130 SD_BUS_VTABLE_START(0),
131 SD_BUS_PROPERTY("SocketName", "ay", get_socket_name, 0, 0),
132 SD_BUS_VTABLE_END,
133};
134
112void dbus_init(struct console *console,
113 struct config *config __attribute__((unused)))
114{
115 char obj_name[dbus_obj_path_len];
116 char dbus_name[dbus_obj_path_len];
117 int dbus_poller = 0;
118 int fd;
119 int r;

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134 bytes = snprintf(obj_name, dbus_obj_path_len, OBJ_NAME,
135 console->console_id);
136 if (bytes >= dbus_obj_path_len) {
137 warnx("Console id '%s' is too long. There is no enough space in the buffer.",
138 console->console_id);
139 return;
140 }
141
135void dbus_init(struct console *console,
136 struct config *config __attribute__((unused)))
137{
138 char obj_name[dbus_obj_path_len];
139 char dbus_name[dbus_obj_path_len];
140 int dbus_poller = 0;
141 int fd;
142 int r;

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157 bytes = snprintf(obj_name, dbus_obj_path_len, OBJ_NAME,
158 console->console_id);
159 if (bytes >= dbus_obj_path_len) {
160 warnx("Console id '%s' is too long. There is no enough space in the buffer.",
161 console->console_id);
162 return;
163 }
164
142 r = sd_bus_add_object_vtable(console->bus, NULL, obj_name, INTF_NAME,
143 console_vtable, console);
165 /* Register tty interface */
166 r = sd_bus_add_object_vtable(console->bus, NULL, obj_name, TTY_INTF,
167 console_tty_vtable, console);
144 if (r < 0) {
145 warnx("Failed to issue method call: %s", strerror(-r));
146 return;
147 }
148
168 if (r < 0) {
169 warnx("Failed to issue method call: %s", strerror(-r));
170 return;
171 }
172
173 /* Register access interface */
174 r = sd_bus_add_object_vtable(console->bus, NULL, obj_name, ACCESS_INTF,
175 console_access_vtable, console);
176 if (r < 0) {
177 warnx("Failed to issue method call: %s", strerror(-r));
178 return;
179 }
180
149 bytes = snprintf(dbus_name, dbus_obj_path_len, DBUS_NAME,
150 console->console_id);
151 if (bytes >= dbus_obj_path_len) {
152 warnx("Console id '%s' is too long. There is no enough space in the buffer.",
153 console->console_id);
154 return;
155 }
156
181 bytes = snprintf(dbus_name, dbus_obj_path_len, DBUS_NAME,
182 console->console_id);
183 if (bytes >= dbus_obj_path_len) {
184 warnx("Console id '%s' is too long. There is no enough space in the buffer.",
185 console->console_id);
186 return;
187 }
188
189 /* Finally register the bus name */
157 r = sd_bus_request_name(console->bus, dbus_name,
158 SD_BUS_NAME_ALLOW_REPLACEMENT |
159 SD_BUS_NAME_REPLACE_EXISTING);
160 if (r < 0) {
161 warnx("Failed to acquire service name: %s", strerror(-r));
162 return;
163 }
164
165 fd = sd_bus_get_fd(console->bus);
166 if (fd < 0) {
167 warnx("Couldn't get the bus file descriptor");
168 return;
169 }
170
171 dbus_poller = POLLFD_DBUS;
172
173 console->pollfds[dbus_poller].fd = fd;
174 console->pollfds[dbus_poller].events = POLLIN;
175}
190 r = sd_bus_request_name(console->bus, dbus_name,
191 SD_BUS_NAME_ALLOW_REPLACEMENT |
192 SD_BUS_NAME_REPLACE_EXISTING);
193 if (r < 0) {
194 warnx("Failed to acquire service name: %s", strerror(-r));
195 return;
196 }
197
198 fd = sd_bus_get_fd(console->bus);
199 if (fd < 0) {
200 warnx("Couldn't get the bus file descriptor");
201 return;
202 }
203
204 dbus_poller = POLLFD_DBUS;
205
206 console->pollfds[dbus_poller].fd = fd;
207 console->pollfds[dbus_poller].events = POLLIN;
208}